// RUN: %clang_cc1 -fsyntax-only -fblocks -fcxx-exceptions -fobjc-exceptions -verify -Wfunction-effects %s #pragma clang diagnostic ignored "-Wperf-constraint-implies-noexcept" // Objective-C @interface OCClass - (void)method; @end void nb1(OCClass *oc) [[clang::nonblocking]] { [oc method]; // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}} } void nb2(OCClass *oc) { [oc method]; // expected-note {{function cannot be inferred 'nonblocking' because it accesses an ObjC method or property}} } void nb3(OCClass *oc) [[clang::nonblocking]] { nb2(oc); // expected-warning {{function with 'nonblocking' attribute must not call non-'nonblocking' function 'nb2'}} } void nb4() [[clang::nonblocking]] { @try { @throw @"foo"; // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}} } @catch (...) { // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}} } @finally { // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}} } } @class Lock; extern Lock *someLock; void nb5() [[clang::nonblocking]] { @autoreleasepool { // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}} } @synchronized(someLock) { // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}} } }